Question
Michael, Ahmad and Oscar had a total of 518 stamps at first. After a week, the number of Michael's stamps became 5 times the number of stamps he had at first. The number of Ahmad's stamps decreased by 258. Oscar had one-quarter as many stamps as he had at first. In the end, the three boys had the same number of stamps.
  1. How many stamps did Oscar have at first?
  2. What was the total number of stamps that the three boys had in the end?
5 m
(a)

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(b)

Click button first when a symbol is required. X

Michael, Ahmad and Oscar had a total of 518 stamps at first. After a week, the number of Michael's stamps became 5 times the number of stamps he had at first. The number of Ahmad's stamps decreased by 258. Oscar had one-quarter as many stamps as he had at first. In the end, the three boys had the same number of stamps.
  1. How many stamps did Oscar have at first?
  2. What was the total number of stamps that the three boys had in the end?